chore: update support docs

Author: humford

fern/quickstart/billing.mdx renamed to fern/billing/billing-faq.mdx

@@ -1,7 +1,7 @@
 ---
 title: Billing FAQ
 subtitle: How billing with Vapi works.
-slug: quickstart/billing
+slug: billing/billing-faq
 ---
 
 ### Overview 

fern/support.mdx

@@ -6,8 +6,76 @@ subtitle: >-
 slug: support
 ---
 
+## Our Support Options
 
-## Join Vapi community
+We offer multiple ways to get support with your Vapi projects:
 
-- To take part in community discussion join our [Discord](https://discord.com/invite/pUFNcf2WmH) server to collaborate with other developers.
-- For quick support: Visit #support channel to submit support requests.
+<CardGroup cols={3}>
+  <Card title="Email Support" icon="envelope" href="mailto:[email protected]">
+    Email [email protected] with your request and our team will get back to you promptly.
+  </Card>
+  
+  <Card title="Community Support" icon="fa-brands fa-discord" href="https://discord.com/invite/pUFNcf2WmH">
+    Join our active developer community on [Discord](https://discord.com/invite/pUFNcf2WmH) for real-time collaboration and submit support tickets and questions in the #support channel.
+  </Card>
+
+  <Card 
+    title="Enterprise Support" 
+    icon="headset"
+    href="/enterprise/plans"
+  >
+    Get 24/7 dedicated support from our forward-deployed engineering team with an enterprise plan.
+  </Card>
+</CardGroup>
+
+<Note>
+For fastest response times and hands-on technical support, we recommend enterprise customers reach out through their dedicated support channels.
+</Note>
+
+## Feature Requests and Bug Reports
+
+We welcome feature requests and feedback from our users to help improve Vapi. You can:
+
+<CardGroup cols={2}>
+  <Card 
+    title="Submit Feature Requests" 
+    icon="lightbulb"
+    href="https://roadmap.vapi.ai/feature-requests"
+  >
+    Submit and vote on feature requests on our public roadmap board to help shape the future of Vapi.
+  </Card>
+
+  <Card 
+    title="Submit Bug Report" 
+    icon="bug"
+    href="https://roadmap.vapi.ai/bug-reports"
+  >
+    Report any bugs or issues you encounter while using Vapi to help us improve the platform.
+  </Card>
+</CardGroup>
+
+<Note>
+We actively monitor and prioritize feature requests based on user votes and feedback. Popular requests help inform our product roadmap.
+</Note>
+
+## Additional Resources
+
+Access helpful reference materials to better understand Vapi's platform and get answers to common questions:
+
+<CardGroup cols={2}>
+  <Card 
+    title="Glossary" 
+    icon="book"
+    href="/glossary"
+  >
+    Find definitions for common terms and concepts used throughout the Vapi platform.
+  </Card>
+
+  <Card 
+    title="FAQ" 
+    icon="circle-question"
+    href="/faq"
+  >
+    Browse our frequently asked questions for quick answers to common inquiries.
+  </Card>
+</CardGroup>

fern/welcome.mdx

@@ -22,4 +22,22 @@ Everything you need to build, test, & deploy voice AI agents in minutes rather t
   <Card title="GitHub" icon="fa-brands fa-github" href="https://github.com/VapiAI">
     Check out our GitHub to see what the Vapi team has been up to. 
   </Card>
-</CardGroup>
+</CardGroup>
+
+
+<CardGroup cols={2}>
+  <Card
+    title="Support"
+    icon="headset"
+    href="/support"
+  >
+    Get help from our team through email, Discord community, or dedicated enterprise support channels.
+  </Card>
+  <Card
+    title="Enterprise Plans" 
+    icon="building"
+    href="/enterprise/plans"
+  >
+    Scale your voice AI applications with dedicated support, unlimited concurrency, and enterprise-grade infrastructure.
+  </Card>
+</CardGroup>